Dermatofibrosarcoma protuberans (DFSP) with fibrosarcomatous changes in a patient with psoriasis treated with adalimumab

Affiliations

• ¹ Department of Pathology Pennsylvania Hospital 801 Spruce Street Philadelphia, PA, 19107.
• ² Department of Dermatology University of Pennsylvania Perelman School of Medicine Philadelphia, PA Rosalie.Elenitsas@uphs.upenn.edu.
• ³ Department of Dermatology University of Pennsylvania Perelman School of Medicine Philadelphia, PA Rudolf.Roth@uphs.upenn.edu.
• ⁴ Department of Dermatology University of Pennsylvania Perelman School of Medicine Philadelphia, PA Christopher.Miller@uphs.upenn.edu.
• ⁵ Department of Dermatology and Center for Clinical Epidemiology and Biostatistics University of Pennsylvania Perelman School of Medicine Philadelphia, PA Joel.Gelfand@upsh.upenn.edu.